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The Data Back Guide · Bulk RNA-seq edition

Your Data Is Back. Here's What to Do Next.

A folder of files arrived from your provider. Is the data good? Is the analysis right? Is it the comparison your supervisor wants? This guide takes you from the provider's folder to results you can defend: check the data, understand the report, rerun the comparison you need for free, and write it up. No code.

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For wet-lab PhD students, postdocs and small-lab PIs with outsourced bulk RNA-seq and no bioinformatician to ask.
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Cover of the SeqReady Data Back Guide
36 pages + results check workbook. Bulk RNA-seq. No coding needed.
Why it matters

The report looks finished. That doesn't mean it's right.

A few simple checks catch the problems that are hardest to fix after you've shown the results.

46%

Of datasets had a likely sample mix-up

A 2016 check of public transcriptomics datasets found apparently mislabelled samples in 46% of the datasets it tested, using a simple sex check. The guide shows that check.

Toker et al., F1000Research 2016
20–40%

Of real changes found with 3 replicates

With 3 replicates per group, a large yeast study found most tools detected only 20% to 40% of the changes seen with 42 replicates. A short gene list may be the design, not the biology.

Schurch et al., RNA 2016
$0

To rerun the comparison you need

Galaxy (usegalaxy.org) is a free public web platform. The guide gives click-by-click steps to get a new comparison from your provider's count table, with no code.

usegalaxy.org, November 2026
What's inside

Seven lanes, one result you can defend

One short chapter per step, from the delivery folder to the write-up. Start with the lane you need today.

  1. LANE 01
    Secure it and map the folderBack up the delivery, find which file is which, and fill a one-page project card.
  2. LANE 02
    Is the data good?The numbers to check, how to read the PCA plot, 5-minute sample swap checks, and when to go back to the provider.
  3. LANE 03
    Read the provider's analysisWhich table is which, the three columns that matter, volcano plots, the direction check, and five trust checks.
  4. LANE 04
    Get the comparison you needRerun the comparison your supervisor wants, free and with no code: your provider's tool, Galaxy, or a web app.
  5. LANE 05
    Figures and the methods paragraphThe figures reviewers expect, what to record, and 4 fill-in methods templates.
  6. LANE 06
    Hiring help without getting burnedWhen to hire, a brief they can't misread, deliverables to insist on, and a 20-minute check of their work.
  7. LANE 07
    Glossary in plain EnglishEvery term from the provider's report, in one line each.
Look inside

Three pages from the guide

Free download

Data just arrived? The 10-check checklist

One page to tick before you show results to your supervisor: backups, sample names, QC, the comparison and the direction.

Thank you! Your checklist is ready: download the PDF.

We use your email only as described in our privacy policy. New to the provider's report? Read our free guide to reading RNA-seq results.

About the author

Eric A.

Eric holds an MSc in Molecular Biology from the University of Debrecen, Hungary, and has worked on the provider side of NGS services.

SeqReady turns that experience into practical tools for researchers.

MSc Molecular BiologyNGS servicesNo-code methods
Questions

Before you buy

Which data does it cover?

Bulk RNA-seq from an outside provider or core: the delivery folder, the provider's QC and differential expression report, and the count tables. It does not cover single-cell, DNA or long-read data.

Do I need to code?

No. You work in Excel or Google Sheets, your provider's own tools, and free web tools such as Galaxy (usegalaxy.org), with click-by-click steps.

My provider already did the analysis. Is it still useful?

Yes. Lanes 2 and 3 show how to check that analysis before you trust it, and Lane 4 shows how to get a different comparison if your supervisor asks for one.

Is it for clinical use?

No. It's for research use only and doesn't cover clinical or diagnostic interpretation.

What format is it?

A 36-page PDF plus a results check workbook (.xlsx) that opens in Excel or Google Sheets. You download both right after payment.

Can I get a refund?

Yes. If the guide doesn't help you, ask for a full refund within 14 days of purchase. See the Refund Policy.

Ready when you are

Check it before you show it

You've already paid for the sequencing. Spend $19 and an afternoon making sure the results hold up, then keep the workbook for every project after.

  • 14-day money-back
  • Instant download
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The Data Back Guide
$19ONE-TIME · NO SUBSCRIPTION
  • 36-page step-by-step guide (PDF), in 7 short lanes
  • Results check workbook: QC log, sample sheet checker, methods log, freelancer brief (Excel)
  • No-code Galaxy click-paths and 4 methods templates
  • Results checklist to tick before you show anyone
Get the guide for $19

Not useful? Full refund within 14 days, no reason needed.

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